City comparison
Arlington, VA is about 2,400 miles (3,900 km) from Petaluma, CA in a straight line. By road, the drive is roughly 3,000 miles, or about 51 hours (about 5 days at 10 h/day) behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Arlington, VA to Petaluma, CA takes about 4 h 52 min, covering roughly 2,400 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Arlington, VA is on Eastern Time and Petaluma, CA is on Pacific Time — a 3-hour difference. When it's noon in Arlington, it's 9 a.m. in Petaluma, which puts Arlington 3 hours ahead.
Standard-time offsets. Daylight saving applies in both cities for most of the year (exceptions: Hawaii and most of Arizona), and the gap between the two stays the same.
Arlington has a population of 235,845, vs 59,682 in Petaluma — about 4.0× larger by population. By land area, Arlington covers about 26 sq mi vs 14 sq mi for Petaluma.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Arlington | Petaluma | Difference |
|---|---|---|---|
| Median rent | $2,227/mo | $2,361/mo | 6.0% higher in Petaluma |
| Median home value | $833,300 | $805,800 | 3.4% higher in Arlington |
| Median household income | $137,387 | $108,527 | 26.6% higher in Arlington |
| Groceries index | 104.6 | 105.1 | ≈ equal (Petaluma slightly higher) |
| Utilities index | 105.0 | 152.1 | 44.9% higher in Petaluma |
| Transportation index | 101.2 | 100.7 | 0.5% higher in Arlington |
| Healthcare index | 101.5 | 100.6 | 0.8% higher in Arlington |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Arlington, you'd need $100,048 in Petaluma to maintain your standard of living.
Climate, safety, and demographics side by side.
Arlington and Petaluma have nearly identical overall cost-of-living indices. Housing costs are roughly 7% higher in Arlington than in Petaluma. If you earn $80,000 in Arlington, you'd need about $80,039 in Petaluma to keep the same standard of living.